Fire Diamond : Symbol designed by the NFPA to give a quick number rating for the particular material's degree of health (blue), flammability (red), reactivity (yellow), and specific (white) hazard
University of Michigan-Flint, Environment Health and Safety Department, MSDS Glossary, University of Michigan-Ann Arbor, Michigan USA 2015, MSDS Terms Glossary is from the University of Oklahoma EHS Department website 2006. http://www.umflint.edu/sites/default/files/groups/ Environment__Health_and_Safety_Department/msds_glo ssary.pdf, (MSDS - Amer) {911}